12232739 has 2 divisors, whose sum is σ = 12232740. Its totient is φ = 12232738.

The previous prime is 12232723. The next prime is 12232747. The reversal of 12232739 is 93723221.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12232739 - 2⁴ = 12232723 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (12232039) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6116369 + 6116370.

It is an arithmetic number, because the mean of its divisors is an integer number (6116370).

Almost surely, 2^12232739 is an apocalyptic number.

12232739 is a deficient number, since it is larger than the sum of its proper divisors (1).

12232739 is an equidigital number, since it uses as much as digits as its factorization.

12232739 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4536, while the sum is 29.

The square root of 12232739 is about 3497.5332736087. The cubic root of 12232739 is about 230.4134905918.

The spelling of 12232739 in words is "twelve million, two hundred thirty-two thousand, seven hundred thirty-nine".